rate = int(input())
rank=8-((rate-400)//200)
print((rank)) rate = int(input()) rate int(input()) int input() input rank=8-((rate-400)//200) rank 8-((rate-400)//200) 8 (rate-400)//200 rate-400 rate 400 200 print((rank)) print rank rate = int(input()) int(input()) rate rank=8-((rate-400)//200) 8-((rate-400)//200) rank
rate = int(input())
rank=8-((rate-400)//200)
print((rank))